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65 lines
1.9 KiB
ArmAsm
65 lines
1.9 KiB
ArmAsm
/* Copyright (C) 1991, 1992, 1993, 1994, 1995, 1996, 1997, 2000, 2001
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Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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Contributed by Alexandre Oliva <aoliva@redhat.com>.
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Based on ../i386/sysdep.S.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public License as
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published by the Free Software Foundation; either version 2 of the
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License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with the GNU C Library; see the file COPYING.LIB. If not,
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write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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#include <sysdep.h>
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#define _ERRNO_H
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#include <bits/errno.h>
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.globl C_SYMBOL_NAME(errno)
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.globl syscall_error
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#undef syscall_error
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#ifdef NO_UNDERSCORES
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__syscall_error:
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#else
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syscall_error:
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#endif
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#if defined (EWOULDBLOCK_sys) && EWOULDBLOCK_sys != EAGAIN
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/* We translate the system's EWOULDBLOCK error into EAGAIN.
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The GNU C library always defines EWOULDBLOCK==EAGAIN.
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EWOULDBLOCK_sys is the original number. */
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cmp EWOULDBLOCK_sys,d0 /* Is it the old EWOULDBLOCK? */
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bne .Lnotb /* Branch if not. */
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mov EAGAIN,d0 /* Yes; translate it to EAGAIN. */
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.Lnotb:
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#endif
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#ifndef PIC
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# ifndef _LIBC_REENTRANT
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mov d0,(C_SYMBOL_NAME (errno))
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# else
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movm [d2],(sp)
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add -12,sp
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mov d0,d2
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call __errno_location,[],0
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mov d2,(a0)
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add 12,sp
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movm (sp),[d2]
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# endif
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#else
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# error "This shouldn't be assembled for PIC"
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#endif
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mov -1,d0
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mov d0,a0
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ret
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#undef __syscall_error
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END (__syscall_error)
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